| Index | Thomson | Illinois | National |
| Average Test Scores | n/a | 33% | 48% |
| Student/Teacher ratio | n/a | 18:1 | 16:1 |
| Total public schools | n/a | 3,938 | 79,221 |
| Total private schools | n/a | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Thomson | Illinois | National |
| Completed 8th grade | 83.0% | 86.2% | 84.3% |
| Completed high school | 80.2% | 84.7% | 83.0% |
| Completed some college | 43.9% | 61.8% | 59.4% |
| Completed associate degree | 23.9% | 40.7% | 38.5% |
| Completed bachelors | 12.7% | 32.9% | 30.3% |
| Completed masters | 4.3% | 12.7% | 11.5% |
| Completed professional degree | 0.8% | 3.4% | 3.3% |
| Completed doctorate | 0.8% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Thomson. Using the proficiency score averages, the average test scores for Thomson, IL schools is n/a. The average student to teacher ratio is n/a. In Thomson, IL, an average of 83.0% of students have completed 8th grade and an average of 80.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Goose Lake, IA | 298 | 77% | 60.9% |
| Clinton, IA | 25,290 | 66% | 37.2% |
| Camanche, IA | 4,342 | 65% | 35.1% |
| Miles, IA | 388 | 65% | 34.4% |
| Preston, IA | 1,013 | 65% | 34.4% |
| Thomson, IL | 369 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Tetonia, ID | 369 | 50% | 4.2% |
| Quinton, NJ | 369 | 50% | 4.2% |
| Royal, IL | 370 | 65% | 35.4% |
| Melvern, KS | 368 | 30% | 37.5% |
| Fort Supply, OK | 368 | 45% | 6.3% |
| Thomson, IL | 369 | n/a |
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